I’m assuming you mean mainnet tokens and not NEP5 tokens correct?
To be honest I don’t think there is anything that can be done if it’s mainnet tokens. But to get a final answer the only thing you can do is contact Ontology and ask them if they can do anything.

Just to be clear, I’ve swapped my nep5 ont through O3 yesterday. They aren’t lost, I should be expecting them sometime in the next month, and shouldn’t be panicking, correct?

Yeah that should be fine. The next deadline is November 1st, so I would expect you to get the mainnet tokens somewhere early November, but if you want to be sure please contact Ontology as they do the swaps manually now